Acid BaseReview
What is the pH scale?  A numerical scale 0-14 that is used to measure how   acidic or alkaline a substance is.
What is phenopthalein?  A base indicator. It turns bright pink when put into a  base.+
What is bromythymol blue? Anacid indicator. It turns yellow when placed in an acid.
What is Universal Indicator and howcan you use it to test an unknownsolution? Anacid/base indicator. It turns different c...
How does the pH number of astrong acid compare to the pH of aweak acid?A   strong acid will have a pH of 0-1.A   strong ...
What is the difference between anacid and a base?     An   acid has a H ion.    A   base has a hydroxide ion.
What sort of foods are acids? lemons,   oranges, anything with citric acid. Also milk is slightly acidic.
What sort of liquids are cleaners?         Bases
What do acids taste like?        sour
What liquid is neutral?      pure   water
How can you comparestrengths of acids using the pHscale?   For every number difference on the pH    scale, it is that man...
What is the pH range of normalrain?         5.6-6.5
What is the pH range of acid rain?          Below   5.6
What acid does carbon dioxideform in water?       Carbonic   Acid
What is meant by the term"neutralization"? Adding   base to an acid until it becomes pH close to 7
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Acid base review 2013

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Acid base review 2013

  1. 1. Acid BaseReview
  2. 2. What is the pH scale? A numerical scale 0-14 that is used to measure how acidic or alkaline a substance is.
  3. 3. What is phenopthalein? A base indicator. It turns bright pink when put into a base.+
  4. 4. What is bromythymol blue? Anacid indicator. It turns yellow when placed in an acid.
  5. 5. What is Universal Indicator and howcan you use it to test an unknownsolution? Anacid/base indicator. It turns different colors depending upon the strength of the acid and base. You use a color chart to find the number that corresponds to the pH scale.
  6. 6. How does the pH number of astrong acid compare to the pH of aweak acid?A strong acid will have a pH of 0-1.A strong base will have a pH of 13-14
  7. 7. What is the difference between anacid and a base?  An acid has a H ion. A base has a hydroxide ion.
  8. 8. What sort of foods are acids? lemons, oranges, anything with citric acid. Also milk is slightly acidic.
  9. 9. What sort of liquids are cleaners?  Bases
  10. 10. What do acids taste like?  sour
  11. 11. What liquid is neutral?  pure water
  12. 12. How can you comparestrengths of acids using the pHscale? For every number difference on the pH scale, it is that many power of ten times more acidic. Hard to explain…….. For instance….. If you’re comparing something with a pH of 2 to something with a pH of 6…. the pH of 2 is ten thousand times more acidic than the pH of six. 6-2=4……….. that means it’s 10 to the fourth power stronger. Ten to the fourth is 10,000
  13. 13. What is the pH range of normalrain? 5.6-6.5
  14. 14. What is the pH range of acid rain?  Below 5.6
  15. 15. What acid does carbon dioxideform in water?  Carbonic Acid
  16. 16. What is meant by the term"neutralization"? Adding base to an acid until it becomes pH close to 7

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